# Latest

**URL:** https://iplug2.discourse.group/latest.md?page=1

[Latest](https://iplug2.discourse.group/latest.md) · [Categories](https://iplug2.discourse.group/categories.md)

**Page:** 2

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## [Control value text not showing up - for 1 specific user](https://iplug2.discourse.group/t/control-value-text-not-showing-up-for-1-specific-user/1003)

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**Author:** [@RexMartin2](https://iplug2.discourse.group/u/RexMartin2)\
**Replies:** 2\
**Last updated:** [3 May 2025 15:02 UTC](https://iplug2.discourse.group/t/control-value-text-not-showing-up-for-1-specific-user/1003 "2025-05-03T15:02:42Z")

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A user has reported (and sent screenshots) of my plugin running in Wavelab and Ableton on his Win 10 machine where ALL of the control values are missing from the UI. No one else has reported this problem and it works pr…

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## [Using Visage Graphics in IPlug](https://iplug2.discourse.group/t/using-visage-graphics-in-iplug/1002)

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**Author:** [@snfk](https://iplug2.discourse.group/u/snfk)\
**Replies:** 1\
**Last updated:** [3 May 2025 11:16 UTC](https://iplug2.discourse.group/t/using-visage-graphics-in-iplug/1002 "2025-05-03T11:16:23Z")

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Vital Audio released its graphics framework (Visage) built on top of BGFX. I wrote a (messy) implementation and it functions really well. The center visualizer ball and the knob are quad shaders, so it’s super efficient.…

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## [MuseScore Studio](https://iplug2.discourse.group/t/musescore-studio/1001)

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**Author:** [@VidPlayVST](https://iplug2.discourse.group/u/VidPlayVST)\
**Replies:** 0\
**Last updated:** [29 April 2025 04:55 UTC](https://iplug2.discourse.group/t/musescore-studio/1001 "2025-04-29T04:55:02Z")

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Hello Olli, I have been looking at VST3 support in MuseScore and I noticed on Github you raised an issue with them last year, so you may be interested in this. They recently made a change so they now send to plugins mPro…

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## [Where are the program change messages?](https://iplug2.discourse.group/t/where-are-the-program-change-messages/998)

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**Author:** [@vasyan](https://iplug2.discourse.group/u/vasyan)\
**Replies:** 1\
**Last updated:** [20 March 2025 07:40 UTC](https://iplug2.discourse.group/t/where-are-the-program-change-messages/998 "2025-03-20T07:40:40Z")

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When developing the VST3 plugin, I put a breakpoint in the ProcessMidiMsg procedure. Pressing a key on the midi controller triggers breakpoints, however, if I try to change the program, no breakpoints are triggered. It f…

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## [Where did the bus label go?](https://iplug2.discourse.group/t/where-did-the-bus-label-go/997)

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**Author:** [@vasyan](https://iplug2.discourse.group/u/vasyan)\
**Replies:** 2\
**Last updated:** [18 March 2025 11:21 UTC](https://iplug2.discourse.group/t/where-did-the-bus-label-go/997 "2025-03-18T11:21:37Z")

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I decided to build an old project using the latest IPlug2 code. However, I was discouraged because in the old code, the IBusInfo class declaration had the following: IBusInfo(ERoute direction, int nchans = 0, const cha…

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## [Riff v0.1.0 for Psytrance](https://iplug2.discourse.group/t/riff-v0-1-0-for-psytrance/995)

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**Author:** [@walmik](https://iplug2.discourse.group/u/walmik)\
**Replies:** 1\
**Last updated:** [16 March 2025 16:31 UTC](https://iplug2.discourse.group/t/riff-v0-1-0-for-psytrance/995 "2025-03-16T16:31:09Z")

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I m extremely happy to announce my first ever VST plugin → Riff. Its based on my Max for Live device with the same name. I always wanted to have a VST version… and I could never get this far. I m so grateful to iPlug2 fr…

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## [Control issues with Apple's "Magic Mouse"](https://iplug2.discourse.group/t/control-issues-with-apples-magic-mouse/950)

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**Author:** [@RexMartin2](https://iplug2.discourse.group/u/RexMartin2)\
**Replies:** 3\
**Last updated:** [12 March 2025 05:25 UTC](https://iplug2.discourse.group/t/control-issues-with-apples-magic-mouse/950 "2025-03-12T05:25:36Z")

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A user has reported that “Opt-Click” on our plugin rotary and slider controls does not reset the control to default in Logic Pro when using Magic Mouse. We are using the if (mod.A) SetValueToDefault(GetValIdxForPos(x, y…

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## [Command Rez failed with a nonzero exit code](https://iplug2.discourse.group/t/command-rez-failed-with-a-nonzero-exit-code/996)

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**Author:** [@walmik](https://iplug2.discourse.group/u/walmik)\
**Replies:** 1\
**Last updated:** [9 March 2025 18:12 UTC](https://iplug2.discourse.group/t/command-rez-failed-with-a-nonzero-exit-code/996 "2025-03-09T18:12:36Z")

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I used this command to duplicate an Example python3 duplicate.py IPlugMidiEffect MyMidiPlugin MyManufacturerName Then i built my plugin here. I was able to generate auv2 file however i think i had faced similar issues …

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## [How to handle non-DSP parameters that influence others](https://iplug2.discourse.group/t/how-to-handle-non-dsp-parameters-that-influence-others/989)

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**Author:** [@etheory](https://iplug2.discourse.group/u/etheory)\
**Replies:** 10\
**Last updated:** [26 February 2025 20:42 UTC](https://iplug2.discourse.group/t/how-to-handle-non-dsp-parameters-that-influence-others/989 "2025-02-26T20:42:59Z")

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Hi there, I’m new to iPlug2, and over the past couple of weeks managed to build my first UI for a project I’m working on: One of the features of this EQ UI is that the currently selected handle is stored in a paramet…

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## [Automatic Hz/kHz change during frequency parameter changes](https://iplug2.discourse.group/t/automatic-hz-khz-change-during-frequency-parameter-changes/984)

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**Author:** [@etheory](https://iplug2.discourse.group/u/etheory)\
**Replies:** 5\
**Last updated:** [25 February 2025 13:25 UTC](https://iplug2.discourse.group/t/automatic-hz-khz-change-during-frequency-parameter-changes/984 "2025-02-25T13:25:15Z")

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Hi there! in the current version of iPlug2, when you use the IParam::InitFrequency function, it always displays frequency in Hz. Just sharing the below which can implement changing to kHz on demand: GetParam(kParamFreq…

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## [iPlug2 and Windows ARM64?](https://iplug2.discourse.group/t/iplug2-and-windows-arm64/987)

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**Author:** [@FullBucket](https://iplug2.discourse.group/u/FullBucket)\
**Replies:** 1\
**Last updated:** [24 February 2025 23:09 UTC](https://iplug2.discourse.group/t/iplug2-and-windows-arm64/987 "2025-02-24T23:09:17Z")

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Hi, has anybody successfully compiled an iPlug2 Windows ARM64 project? I’m always getting the infamous LNK1112 module machine type ‘x86’ conflicts with target machine type ‘ARM64’ error… :grimacing: Cheers, Björn

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## [Updating multiple 'linked' controls](https://iplug2.discourse.group/t/updating-multiple-linked-controls/58)

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**Author:** [@E-Phonic](https://iplug2.discourse.group/u/E-Phonic)\
**Replies:** 12\
**Last updated:** [24 February 2025 05:51 UTC](https://iplug2.discourse.group/t/updating-multiple-linked-controls/58 "2025-02-24T05:51:41Z")

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Hi, I’m trying to update multiple ‘linked’ controls so they show/have the same value when one of them is changed. I have 2 sliders that can be linked so both should be updated when the other one is dragged. I’m not sur…

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## [Plugin crashes on accessing dropdown after closing and re-opening in Bitwig](https://iplug2.discourse.group/t/plugin-crashes-on-accessing-dropdown-after-closing-and-re-opening-in-bitwig/982)

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**Author:** [@walmik](https://iplug2.discourse.group/u/walmik)\
**Replies:** 2\
**Last updated:** [18 February 2025 19:37 UTC](https://iplug2.discourse.group/t/plugin-crashes-on-accessing-dropdown-after-closing-and-re-opening-in-bitwig/982 "2025-02-18T19:37:55Z")

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I m facing a challenge where my MacOS VST3 target plugin crashes each time it s closed and re-opened in the DAW (Bitwig in my case) on making a change to one of my dropdown menus. For brevity, I m sharing a bare minimum …

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## [How to set integer param from a custom IControl?](https://iplug2.discourse.group/t/how-to-set-integer-param-from-a-custom-icontrol/985)

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**Author:** [@etheory](https://iplug2.discourse.group/u/etheory)\
**Replies:** 3\
**Last updated:** [17 February 2025 23:50 UTC](https://iplug2.discourse.group/t/how-to-set-integer-param-from-a-custom-icontrol/985 "2025-02-17T23:50:01Z")

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Hi there! I have a custom IControl where I want to have an activeId parameter that can be set by the IControl to determine the “active element” I am working with. The issue is that the standard way to set a parameter i…

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## [Create MIDI clips in the DAW](https://iplug2.discourse.group/t/create-midi-clips-in-the-daw/976)

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**Author:** [@walmik](https://iplug2.discourse.group/u/walmik)\
**Replies:** 2\
**Last updated:** [9 February 2025 20:21 UTC](https://iplug2.discourse.group/t/create-midi-clips-in-the-daw/976 "2025-02-09T20:21:35Z")

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Hi there. Is there some way to create a set or an array of MIDI events such as Note On and Note Off and then use that set/array to print the MIDI notes to a clip in the DAW? For eg, if I m using Ableton Live OR Bitwig, c…

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## [IPlug2 on the Android platform?](https://iplug2.discourse.group/t/iplug2-on-the-android-platform/51)

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**Author:** [@vasyan](https://iplug2.discourse.group/u/vasyan)\
**Replies:** 7\
**Last updated:** [9 February 2025 11:17 UTC](https://iplug2.discourse.group/t/iplug2-on-the-android-platform/51 "2025-02-09T11:17:39Z")

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Is it possible to port IPlug2 to Android? Or is it planned in the near future?

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## [Large size of IPlugEffect plug-ins on Mac](https://iplug2.discourse.group/t/large-size-of-iplugeffect-plug-ins-on-mac/972)

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**Author:** [@Alex1](https://iplug2.discourse.group/u/Alex1)\
**Replies:** 3\
**Last updated:** [21 January 2025 23:10 UTC](https://iplug2.discourse.group/t/large-size-of-iplugeffect-plug-ins-on-mac/972 "2025-01-21T23:10:27Z")

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The size of the Release VST2/VST3/CLAP version of IPlugEffect is 37 MB on Mac and 5 MB on Windows. I use Xcode v12.5.1, the latest version of the IPlug2 SDK, SKIA library and IGRAPHICS\_NO\_SKIA\_SVG flag. Is it the corr…

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## [How to add APP target back in to project?](https://iplug2.discourse.group/t/how-to-add-app-target-back-in-to-project/968)

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**Author:** [@RexMartin2](https://iplug2.discourse.group/u/RexMartin2)\
**Replies:** 3\
**Last updated:** [2 January 2025 04:33 UTC](https://iplug2.discourse.group/t/how-to-add-app-target-back-in-to-project/968 "2025-01-02T04:33:44Z")

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A long time ago I removed the “APP” target from my iPlug2 projects. I didn’t know what I was doing at the time and thought I would never need a standalone build. But now I do. How do I add the APP target back in so I …

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## [The CLAP version of IPlugEffect doesn't inform host about changing parameter values](https://iplug2.discourse.group/t/the-clap-version-of-iplugeffect-doesnt-inform-host-about-changing-parameter-values/965)

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**Author:** [@Alex1](https://iplug2.discourse.group/u/Alex1)\
**Replies:** 2\
**Last updated:** [26 December 2024 09:36 UTC](https://iplug2.discourse.group/t/the-clap-version-of-iplugeffect-doesnt-inform-host-about-changing-parameter-values/965 "2024-12-26T09:36:56Z")

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This problem happens with the CLAP version of IPlugEffect. Other versions (VST, VST3, AUv2) work without this problem. I reproduce this problems as follows: I add the CLAP version of IPlugEffect to Reaper and save the…

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## [MessageBox() blocks the work of IPlugEffect](https://iplug2.discourse.group/t/messagebox-blocks-the-work-of-iplugeffect/963)

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**Author:** [@Alex1](https://iplug2.discourse.group/u/Alex1)\
**Replies:** 2\
**Last updated:** [19 December 2024 16:14 UTC](https://iplug2.discourse.group/t/messagebox-blocks-the-work-of-iplugeffect/963 "2024-12-19T16:14:45Z")

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My plugin contains two buttons: Button1 and Button2. Button1 calls the following message box function: MessageBox(NULL, “TEST”, “TEST”, MB\_OK); When I click Button1 I see the message box window. A strange thing happens…

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## [Implementation of Shaders for Vectorial UI](https://iplug2.discourse.group/t/implementation-of-shaders-for-vectorial-ui/962)

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**Author:** [@rramirez](https://iplug2.discourse.group/u/rramirez)\
**Replies:** 1\
**Last updated:** [16 December 2024 16:07 UTC](https://iplug2.discourse.group/t/implementation-of-shaders-for-vectorial-ui/962 "2024-12-16T16:07:00Z")

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Hello all, this is my implementation of Skia shader that can be used as overlays or normal controls for fully vectorial UI class NoiseShaderControl : public iplug::igraphics::IControl { public: NoiseShaderControl(…

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## [Compilation error C2039: 'call\_once' is not a member of STD](https://iplug2.discourse.group/t/compilation-error-c2039-call-once-is-not-a-member-of-std/959)

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**Author:** [@Alex1](https://iplug2.discourse.group/u/Alex1)\
**Replies:** 2\
**Last updated:** [14 December 2024 05:17 UTC](https://iplug2.discourse.group/t/compilation-error-c2039-call-once-is-not-a-member-of-std/959 "2024-12-14T05:17:09Z")

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I am trying to compile IPlugEffect with SKIA. I am getting the following error messages in the IGraphicsSkia.cpp file (lines 314 and 329): C2039: ‘call\_once’ is not a member of STD and C3861: ‘call\_once’ identifier no…

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## [Getting an errors while building a InstrumentEffect](https://iplug2.discourse.group/t/getting-an-errors-while-building-a-instrumenteffect/961)

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**Author:** [@iDon](https://iplug2.discourse.group/u/iDon)\
**Replies:** 5\
**Last updated:** [13 December 2024 12:28 UTC](https://iplug2.discourse.group/t/getting-an-errors-while-building-a-instrumenteffect/961 "2024-12-13T12:28:13Z")

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Hello Guys. I am new here and also to audio development in general and iPlug2 framework. I carefully tried to do everything like this manual is telling to do. But i get some errors when i am trying to build a demo Instru…

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## [App\_allow\_multiple\_instances](https://iplug2.discourse.group/t/app-allow-multiple-instances/947)

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**Author:** [@Bert](https://iplug2.discourse.group/u/Bert)\
**Replies:** 2\
**Last updated:** [9 November 2024 18:52 UTC](https://iplug2.discourse.group/t/app-allow-multiple-instances/947 "2024-11-09T18:52:59Z")

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I need to share a variable and a realtime signal between two instances of the same App compiled using IPlug2, I can do it when I compile VST3, CLAP and AU always using static global variables and obviously sharing the sa…

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## [How to "make friends" IPlug2 with C++Builder?](https://iplug2.discourse.group/t/how-to-make-friends-iplug2-with-c-builder/945)

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**Author:** [@vasyan](https://iplug2.discourse.group/u/vasyan)\
**Replies:** 1\
**Last updated:** [3 November 2024 16:57 UTC](https://iplug2.discourse.group/t/how-to-make-friends-iplug2-with-c-builder/945 "2024-11-03T16:57:30Z")

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I had an idea, why not make IPlug2 friends with C++Builder? After all, IPlug2 is in very close connection with Visual Studio. And friendship with C++Builder can open up new horizons for developers, such as using VCL and …

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## [IPlug2 MIDI realtime](https://iplug2.discourse.group/t/iplug2-midi-realtime/943)

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**Author:** [@Bert](https://iplug2.discourse.group/u/Bert)\
**Replies:** 2\
**Last updated:** [27 October 2024 01:06 UTC](https://iplug2.discourse.group/t/iplug2-midi-realtime/943 "2024-10-27T01:06:04Z")

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“How to send MIDI realtime messages? SendMidiMsg seems to filter or alter the message.”

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## [Has anyone tried their plugins on Audacity 3.6? I seem to have problem](https://iplug2.discourse.group/t/has-anyone-tried-their-plugins-on-audacity-3-6-i-seem-to-have-problem/927)

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**Author:** [@Ric](https://iplug2.discourse.group/u/Ric)\
**Replies:** 3\
**Last updated:** [20 October 2024 00:52 UTC](https://iplug2.discourse.group/t/has-anyone-tried-their-plugins-on-audacity-3-6-i-seem-to-have-problem/927 "2024-10-20T00:52:51Z")

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Hi all, As you probably know Audacity has been going through some redesigns on its way to eventually become a fully fledged DAW. So I decided to try the plugins I’ve made with IPlug2 in it but for some reason they don’t…

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## [Weird Behavior in Ableton Live - Infinite Feedback Loop?](https://iplug2.discourse.group/t/weird-behavior-in-ableton-live-infinite-feedback-loop/942)

<div class="topic-metadata">

**Author:** [@mikeyf](https://iplug2.discourse.group/u/mikeyf)\
**Replies:** 1\
**Last updated:** [8 October 2024 17:39 UTC](https://iplug2.discourse.group/t/weird-behavior-in-ableton-live-infinite-feedback-loop/942 "2024-10-08T17:39:31Z")

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First of all, I’d like to say a quick thanks for all the work that has been put into the iPlug2 framework. I am just starting out with VST dev and I am having a great time using the framework and getting up to speed. Fo…

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## [How to catch the plugin window focus loss event in mac OS?](https://iplug2.discourse.group/t/how-to-catch-the-plugin-window-focus-loss-event-in-mac-os/920)

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**Author:** [@vasyan](https://iplug2.discourse.group/u/vasyan)\
**Replies:** 9\
**Last updated:** [8 October 2024 05:52 UTC](https://iplug2.discourse.group/t/how-to-catch-the-plugin-window-focus-loss-event-in-mac-os/920 "2024-10-08T05:52:16Z")

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I made a drop-down list of presets with the ability to specify favorites. It closes when you select a preset, or by clicking the mouse to any other place in the plugin window. I would also like the list to close also …

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## [New Here ! Where to Begin With?](https://iplug2.discourse.group/t/new-here-where-to-begin-with/938)

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**Author:** [@Kashish18](https://iplug2.discourse.group/u/Kashish18)\
**Replies:** 8\
**Last updated:** [5 October 2024 17:09 UTC](https://iplug2.discourse.group/t/new-here-where-to-begin-with/938 "2024-10-05T17:09:57Z")

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Hello folks, I am a Software Engineer and a hobbyist singer/music producer. As one would expect, I would like to explore combining these two worlds and create plugins of my own :grin: I recently stumbled upon iPlug2 gi…

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